cd.thomson
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| posted on 18/4/09 at 09:23 PM |
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wtd? 5 speed getrag 1.8 opel manta 'box
This is really really speculative after having a chat to a couple of guys today with a turboed c20xe. They highly recommended the manta box to me, but
I know theyre rare.
Does anyone know of possible sources? specialist breakers for example? What about costs, my type-9 install will cost £300 in total, if a manta is
under £350 id snap it up.
Cheers, Craig
Craig
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mark chandler
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| posted on 18/4/09 at 09:32 PM |
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There is a 5speed getrag box on Ebay at the moment that failed to make £50 last week, its from a Omega.
Linky thing
Dunno if its the same bolt pattern, also if you get one make sure you also get the splined output shaft, or better still complete prop.
Regards Mark
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cd.thomson
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| posted on 18/4/09 at 09:36 PM |
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hi Mark, I was slightly confused about these boxes too. I have been told the manta 1.8 box bolts straight up to my redtop, but then ive heard the
words carlton and omega thrown around too! ive tried reading around but the amount of info is incredibly sparse.
Omega boxes are common, manta boxes certainly arent. If theyre the same then this might make things very very much simpler for me
eta to add information for future reference:
Manta 1.8 box - Weak = XE will be ok, LET will blow it to bits. Overall a bad choice as they are not that easy to find
Carlton 2.0 8v gearbox - Again weak but cheap and plentyful with a cable clutch for easy installation, perfect for XE's
Omega R25-28 gearbox - Found in V6 Omegas (inc. 3.0) - Fairly cheap and very plentyful, can handle LET up to around 250-300 at the push. Hydraulic
clutch
Omega R28 gearbox - Found in 3.0 V6 Omegas - Hard to find (i'm looking for one myself) but supposed to handle will over 400bhp. Hydraulic
clutc
[Edited on 18/4/09 by cd.thomson]
Craig
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blakep82
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| posted on 18/4/09 at 09:41 PM |
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ah, ok, the omega never had a redtop, but they did use the x20xev ecotec engine, which has an identical block to the XE. the omega one should bolt
right up.
i've never used one though so couldn't say for definite, but if you get a 5 speed omega box for a 2 litre, i don't think you can go
wrong
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Agriv8
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| posted on 18/4/09 at 10:11 PM |
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there was a manta owners club sit/forum have you tried on there?
regards
Agriv8
Taller than your average Guy !
Management is like a tree of monkeys. - Those at the top look down and see a tree full of smiling faces. BUT Those at the bottom look up and see a
tree full of a*seholes .............
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liam.mccaffrey
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| posted on 18/4/09 at 10:43 PM |
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they're not rare 
just expensive sometimes anyone need one let me know. I have a couple left.
Build Blog
Build Photo Album
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mark chandler
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| posted on 18/4/09 at 10:59 PM |
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The strong box is the 265 series, good for 500 bhp, beyond that I know very little.
I have one from a Jaguar but its missing the output shaft, 27splines so if anyone has the prop from one of these beer tokens waiting.
Cheers Mark
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grahamgg
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| posted on 19/4/09 at 12:20 AM |
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I have a manta 1.8 gearbox on my redtop indy. They are getting rare. And they are not that strong .Good ones go for good money. A c20let Engine will
eat it
I replaced mine last year, I wished I had replaced it with a type 9. as the getrag box wont last long even with a redtop.
Graham
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dhutch
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| posted on 19/4/09 at 09:38 AM |
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When i was looking at cars, i had an option of two (yes two) diffrent mk indys with redtops and disintergrated manta boxes.
- I didnt fully bottom out the replacment options before i decided to leave them be but it doesnt seam to be an uncommon failure mode.
Of cause the other option its to get royally ripped off on a specialist bellhousing, and run a type9 like all the others do!
Daniel
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